Encyclopedia > Barn (unit)

Article Content

Barn (unit)

A barn is a unit of area, equal to 10^-28 m²[?]. Although not an official SI unit, it is widely used by nuclear physicists as it is considered to be "as big as a barn" compared to the typical cross sections for nuclear reactions[?].

External links

IUPAC citation for this usage of "barn" (http://www.iupac.org/goldbook/B00598.pdf)
http://www-ed.fnal.gov/painless/htmls/cross

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Wheatley Heights, New York

... people, 1,455 households, and 1,223 families residing in the town. The population density is 1,433.7/km² (3,704.7/mi²). There are 1,494 housing units at an ...